Quad Port 10/100/1000Mbps Gigabit PCI-E NIC Network Card for PC, RTL8111H Chip, PCI-Express 2.0 X1, RJ45 LAN Port
Bus Speeds - Compare PCI vs PCI Express - NTI
expansion card riser card Converter PCIe 2.0 x1 to 2-port SATA3.0 Adapter for PC | eBay
What Is PCI Express (PCIe)?
GLOTRENDS M.2 PCIe X1 Adapter with M.2 Screw for M.2 PCIe 4.0/3.0 SSD (NVMe/AHCI Key M), PCIe X1/X4/X8/X16 Lane Installation, but Only PCIe X1 Bandwidth (PA09-X1) - Newegg.com
What does PCI Express 2.0 x8 mean? Is this okay for gaming? - Quora
PCIe (Peripheral Component Interconnect Express) | On the Motherboard | Pearson IT Certification
Amazon.com: GLOTRENDS M.2 PCIe X1 Adapter with M.2 Screw for M.2 PCIe 4.0/3.0 SSD (NVMe/AHCI Key M), PCIe X1/X4/X8/X16 Lane Installation, but Only PCIe X1 Bandwidth (PA09-X1) : Electronics
Mini PCIe Extension Cable 23.6 Inch/60cm, Mini PCI-E to PCI-E X4 Riser Cable for BTC Miner Mining, WiFi Adapter, USB Adapter, M.2 PCI-E SSD Adapter, etc. - Newegg.com